190611654242 has 4 divisors (see below), whose sum is σ = 285917481366. Its totient is φ = 95305827120.

The previous prime is 190611654241. The next prime is 190611654263. The reversal of 190611654242 is 242456116091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159569090521 + 31042563721 = 399461^2 + 176189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 190611654242.

It is not an unprimeable number, because it can be changed into a prime (190611654241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47652913559 + ... + 47652913562.

Almost surely, 2^190611654242 is an apocalyptic number.

190611654242 is a deficient number, since it is larger than the sum of its proper divisors (95305827124).

190611654242 is an equidigital number, since it uses as much as digits as its factorization.

190611654242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95305827123.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 190611654242 in words is "one hundred ninety billion, six hundred eleven million, six hundred fifty-four thousand, two hundred forty-two".